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Details
| Specification | Value |
|---|---|
| Brand | BSG |
| MPN | bsg90-126-030 |
| Weight [kg] | 0 kg |
| Component Number | BSG 90-126-030 |
OE numbers (6)
Search by this OE number to find compatible parts
- SEAT / VW—037 121 132 E
- SEAT / VW—037 121 133 E
- SEAT / VW—037 121 133 F
- SEAT / VW—37 121 132 E
- SEAT / VW—37 121 133 E
- SEAT / VW—37 121 133 F
Where this part fits
Original-fit position for OE 037121132E. The red ring marks where this part installs on the vehicle.
About this product
The BSG Coolant Flange (BSG 90-126-030) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Weight [kg]: 0 kg, Material: Plastic, Component Number: BSG 90-126-030. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit SEAT, VW models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 002-30-00057, 002-30-00058, 00337, 02110 and 61 more. Matching these numbers confirms a like-for-like replacement with no loss of function. BSG is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Coolant Flange buying guide
Why replace this part?
Coolant outlet flanges and pipe connectors direct coolant flow through the engine circuit. Plastic flanges crack from thermal cycling; metal flanges develop pinhole corrosion. Either causes coolant loss and overheating.
Signs you need a replacement
- Coolant leak at a pipe junction on the engine
- white crystalline deposit around a fitting
- rapid coolant consumption
- overheating
- steam under the bonnet
When to replace
Inspect every 60,000–80,000 miles. Plastic flanges are a known weak point — replace proactively during major cooling system work.
Suitable cars
Equivalent products (57)
Show all 57 OE numbers
Coolant Flange BSG BSG 90-126-030 — compatible car models
| Car models | SEAT: ALHAMBRA (7V8, 7V9), CORDOBA (6K1, 6K2), CORDOBA Vario (6K5), IBIZA II (6K1), INCA (6K9), TOLEDO I (1L2); VW: CADDY II Box Body/MPV (9K9A), CORRADO (53I), GOLF III (1H1), GOLF III Cabriolet (1E7), GOLF III Variant (1H5), GOLF IV Cabriolet (1E7), PASSAT B3/B4 (3A2, 35I), PASSAT B3/B4 Variant (3A5, 35I), POLO III CLASSIC (6V2), SHARAN (7M8, 7M9, 7M6) (+1 more) |
|---|---|
| Engines | 2.0 i; 1.6 i; 75 1.6; 1.8; 1.6; 2.0 |
| Year of manufacture | 1987-2010 |
| Manufacturer article number (MPN) | BSG 90-126-030 |
| OE part numbers | 037 121 132 E, 037 121 133 E, 037 121 133 F, 37 121 132 E, 37 121 133 E, 37 121 133 F |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
BSG bsg90-126-030 . Component Number: BSG 90-126-030. Material: 6. Weight [kg]: 0 kg
- 1x Coolant Flange
Shipping, returns, warranty
Free UK delivery on orders over £50.00. Tracked standard shipping.
- Standard delivery: 4–8 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Coolant Flange compatible with my car?
This Coolant Flange fits SEAT, VW vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this BSG Coolant Flange have?
This BSG Coolant Flange has the following specifications: Weight [kg]: 0 kg; Material: 6; Component Number: BSG 90-126-030. Check the full specifications table above for complete details.
What OE part numbers does this Coolant Flange replace?
This Coolant Flange replaces OE part numbers: 037 121 132 E, 037 121 133 E, 037 121 133 F, 37 121 132 E, 37 121 133 E, 37 121 133 F. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Coolant Flange cost?
Coolant Flange prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this BSG Coolant Flange. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Coolant Flange?
Regular inspection of your Coolant Flange is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Coolant Flange?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Coolant Flange fitted by a professional mechanic.
Can I use this part as a replacement for OE 037 121 132 E?
Yes, this BSG Coolant Flange is a direct replacement for OE part number 037 121 132 E. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
